:root{--bg:#fafafa;--fg:#111;--muted:#6b6b6b;--danger:#e63946;--card:#fff;--border:#e5e5e5}
*{box-sizing:border-box}body{margin:0;font-family:system-ui,Arial;background:var(--bg);color:var(--fg)}
a{color:#0066cc;text-decoration:none}
.header,.footer{display:flex;justify-content:space-between;align-items:center;padding:16px;border-bottom:1px solid var(--border);background:#fff}
.footer{border-top:1px solid var(--border);border-bottom:none}
.container{padding:12px 12px;width:100%;margin:0}
@media (min-width:768px){.container{padding:16px 16px}}
@media (min-width:1200px){.container{padding-left:0;padding-right:0}}
.btn{display:inline-block;border:1px solid var(--border);background:#fff;padding:8px 12px;border-radius:6px;margin-right:6px}
.btn:hover{background:#f3f3f3}
.btn.danger{background:#e63946;color:#fff;border-color:#e63946}
.card{border:1px solid var(--border);padding:16px;background:var(--card);border-radius:8px;margin-bottom:20px}
.table{width:100%;border-collapse:collapse}
.table th,.table td{border-bottom:1px solid var(--border);padding:10px}
.form label{display:block;margin:8px 0}
.form input,.form select,.form textarea{width:100%;padding:10px;border:1px solid var(--border);border-radius:6px;background:#fff;color:var(--fg)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px}
.alert{border:1px solid #ffd166;background:#fff3cd;padding:10px;margin:8px 0}
.muted{color:var(--muted)}.scroll-x{overflow-x:auto;-webkit-overflow-scrolling:touch;width:100%}.nowrap{white-space:nowrap}
.badge{display:inline-block;border:1px solid var(--border);padding:2px 6px;margin-left:6px;border-radius:6px;background:#fff}